Blinking runnable is created only if text is editable. DO NOT MERGE.
Blinking runnable is created only if text is editable. DO NOT MERGE.

Change-Id: If85acc73cfa12b6da23d60459a746e1aef51d3aa

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base